Izzy sees the hitch in Edward's breath and, for a moment, expects knee-jerk push back. For what it's worth, the only thing here that actually matters is the Captain's binding. To Izzy or to Ed, is doesn't really matter.

With Blackbeard here and active, there is no question who the captain between them is. Izzy wouldn't dream of challenging him. Doesn't want to. It's a small sacrifice to give if it means keeping Ed by his side. Izzy would do a lot worse for it. Has done. Would do again.

He leans forward, maybe stupidly, and briefly brushes his fingertips against Ed's wrist. Look at him.

"We've got him, Ed. You'n me against the world, poor fuckers."